CVE-2019-20455 — Gateways/Gateway

Gateways/Gateway.php in Heartland & Global Payments PHP SDK before 2.0.0 does not enforce SSL certificate validations.

01What is this vulnerability?

Gateways/Gateway.php in Heartland & Global Payments PHP SDK before 2.0.0 does not enforce SSL certificate validations.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-02-14T15:43:53.000Z
• Last modified: 2024-08-05T02:39:10.091Z

09References

• github.com — https://github.com/globalpayments/php-sdk/releases/tag/2.0.0
• github.com — https://github.com/globalpayments/php-sdk/compare/1.3.3...2.0.0
• winterdragon.ca — https://winterdragon.ca/global-payments-vulnerability/
• github.com — https://github.com/globalpayments/php-sdk/pull/8